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EP 4 457 055 A1

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(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22917588.0 (22) Date of filing: 29.12.2022

(51) International Patent Classification (IPC):  B24D 11/02(2006.01) B24D 3/02(2006.01) C09K 3/14(2006.01) (52) Cooperative Patent Classification (CPC): B24D 11/02; B24D 11/001; B24D 11/00; B24D 3/28 (86) International application number: PCT/US2022/082598 (87) International publication number: WO 2023/130052 (06.07.2023 Gazette 2023/27)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 30.12.2021 US 202163266268 P (71) Applicants: Saint-gobain Abrasives, Inc Worcester, Massachusetts 01615-0138 (US) Saint-Gobain Abrasifs 78700 Conflans-Sainte-Honorine (FR)

(72) Inventors: MARTONE, Anthony Belmont, Massachusetts 02478 (US) FAN, Hua Southborough, Massachusetts 01532 (US) (74) Representative: Zimmermann & Partner Patentanwälte mbB  P.O. Box 330 920 80069 München 80069 München (DE)